[INFO] fetching crate stack_test_epicbox 0.1.1...
[INFO] checking stack_test_epicbox-0.1.1 against try#590af02d982816cfb2e4e43f8c54065e816581ce for pr-111505
[INFO] extracting crate stack_test_epicbox 0.1.1 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate stack_test_epicbox 0.1.1 on toolchain 590af02d982816cfb2e4e43f8c54065e816581ce
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+590af02d982816cfb2e4e43f8c54065e816581ce" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate stack_test_epicbox 0.1.1
[INFO] finished tweaking crates.io crate stack_test_epicbox 0.1.1
[INFO] tweaked toml for crates.io crate stack_test_epicbox 0.1.1 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate crates.io crate stack_test_epicbox 0.1.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+590af02d982816cfb2e4e43f8c54065e816581ce" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+590af02d982816cfb2e4e43f8c54065e816581ce" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 29e3dbbfa06af705a69a767d4f4a69b82a75ba653b66999a7e4553cafc2dbd3c
[INFO] running `Command { std: "docker" "start" "-a" "29e3dbbfa06af705a69a767d4f4a69b82a75ba653b66999a7e4553cafc2dbd3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "29e3dbbfa06af705a69a767d4f4a69b82a75ba653b66999a7e4553cafc2dbd3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29e3dbbfa06af705a69a767d4f4a69b82a75ba653b66999a7e4553cafc2dbd3c", kill_on_drop: false }`
[INFO] [stdout] 29e3dbbfa06af705a69a767d4f4a69b82a75ba653b66999a7e4553cafc2dbd3c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+590af02d982816cfb2e4e43f8c54065e816581ce" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 55be2fc494290c50daa5ba545a4507fe7b7b6449be437baeb72cd34fd0d0e4c5
[INFO] running `Command { std: "docker" "start" "-a" "55be2fc494290c50daa5ba545a4507fe7b7b6449be437baeb72cd34fd0d0e4c5", kill_on_drop: false }`
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[INFO] [stderr]    Compiling liblmdb-sys v0.2.2
[INFO] [stderr]     Checking uint v0.7.1
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[INFO] [stderr]     Checking ppv-lite86 v0.2.15
[INFO] [stderr]     Checking constant_time_eq v0.1.5
[INFO] [stderr]     Checking blake2-rfc v0.2.18
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking pbkdf2 v0.8.0
[INFO] [stderr]     Checking sha2 v0.8.2
[INFO] [stderr]     Checking ripemd160 v0.9.1
[INFO] [stderr]     Checking tiny-keccak v1.5.0
[INFO] [stderr]     Checking num-traits v0.1.43
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[INFO] [stderr]    Compiling pkg-config v0.3.22
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[INFO] [stderr]    Compiling httparse v1.5.1
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[INFO] [stderr]     Checking tokio-io v0.1.13
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stdout] error: this attribute can only be applied at the crate level
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-io-0.1.13/src/_tokio_codec/mod.rs:14:16
[INFO] [stdout]    |
[INFO] [stdout] 14 | #![doc(hidden, html_root_url = "https://docs.rs/tokio-codec/0.1.0")]
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: read <https://doc.rust-lang.org/nightly/rustdoc/the-doc-attribute.html#at-the-crate-level> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tokio-io` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "55be2fc494290c50daa5ba545a4507fe7b7b6449be437baeb72cd34fd0d0e4c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55be2fc494290c50daa5ba545a4507fe7b7b6449be437baeb72cd34fd0d0e4c5", kill_on_drop: false }`
[INFO] [stdout] 55be2fc494290c50daa5ba545a4507fe7b7b6449be437baeb72cd34fd0d0e4c5